Nina insists she doesn't have to go until she and Mum are at the top of a ski lift.
Nina's brother Frank does his best to get Nina to the loo at the water park, but it's Nana who comes to the rescue.
Nina is building sand castles and doesn't realise she has to go to the bathroom until she really has to.
When a traffic jam prevents the family from getting Nina to a bathroom, Nana and Nina take off on a scooter.
Dad takes Nina to the hardware store and all those bathroom displays make Nina have to go.